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package.path = package.path .. ";../../secrets.lua"
local secrets = require("secrets")
local wibox = require("wibox")
local http = require("socket.http")
local json = require("json")
local naughty = require("naughty")
local city = "Montreal,ca"
local open_map_key = secrets.weather_widget_api_key
local path_to_icons = "/usr/share/icons/Arc/status/symbolic/"
local icon_widget = wibox.widget {
{
id = "icon",
resize = false,
widget = wibox.widget.imagebox,
},
layout = wibox.container.margin(brightness_icon, 0, 0, 3),
set_image = function(self, path)
self.icon.image = path
end,
}
local temp_widget = wibox.widget{
font = "Play 9",
widget = wibox.widget.textbox,
}
weather_widget = wibox.widget {
icon_widget,
temp_widget,
layout = wibox.layout.fixed.horizontal,
}
-- helps to map openWeatherMap icons to Arc icons
local icon_map = {
["01d"] = "weather-clear-symbolic.svg",
["02d"] = "weather-few-clouds-symbolic.svg",
["03d"] = "weather-clouds-symbolic.svg",
["04d"] = "weather-overcast-symbolic.svg",
["09d"] = "weather-showers-scattered-symbolic.svg",
["10d"] = "weather-showers-symbolic.svg",
["11d"] = "weather-storm-symbolic.svg",
["13d"] = "weather-snow-symbolic.svg",
["50d"] = "weather-fog-symbolic.svg",
["01n"] = "weather-clear-night-symbolic.svg",
["02n"] = "weather-few-clouds-night-symbolic.svg",
["03n"] = "weather-clouds-night-symbolic.svg",
["04n"] = "weather-overcast-symbolic.svg",
["09n"] = "weather-showers-scattered-symbolic.svg",
["10n"] = "weather-showers-symbolic.svg",
["11n"] = "weather-storm-symbolic.svg",
["13n"] = "weather-snow-symbolic.svg",
["50n"] = "weather-fog-symbolic.svg"
}
-- handy function to convert temperature from Kelvin to Celcius
function to_celcius(kelvin)
return math.floor(tonumber(kelvin) - 273.15)
end
-- Return wind direction as a string.
function to_direction(degrees)
local directions = {
{ "N" , 348.75, 360 },
{ "N" , 0 , 11.25 },
{"NNE",11.25,33.75 },
{"NE",33.75,56.25},
{"ENE",56.25,78.75},
{"E",78.75,101.25},
{"ESE",101.25,123.75},
{"SE",123.75,146.25},
{"SSE",146.25,168.75},
{"S",168.75,191.25},
{"SSW",191.25,213.75},
{"SW",213.75,236.25},
{"WSW",236.25,258.75},
{"W",258.75,281.25},
{"WNW",281.25,303.75},
{"NW",303.75,326.25},
{"NNW",326.25,348.75},
}
for i,dir in ipairs(directions) do
if degrees > dir[2] and degrees < dir[3] then
return dir[1]
end
end
end
local weather_timer = timer({ timeout = 60 })
local resp
weather_timer:connect_signal("timeout", function ()
local resp_json = http.request("http://api.openweathermap.org/data/2.5/weather?q=" .. city .."&appid=" .. open_map_key)
if (resp_json ~= nil) then
resp = json.decode(resp_json)
icon_widget.image = path_to_icons .. icon_map[resp.weather[1].icon]
temp_widget:set_text(to_celcius(resp.main.temp) .. "°C")
end
end)
weather_timer:start()
weather_timer:emit_signal("timeout")
-- Notification with weather information. Popups only if mouse hovers over the icon
local notification
weather_widget:connect_signal("mouse::enter", function()
notification = naughty.notify{
icon = path_to_icons .. icon_map[resp.weather[1].icon],
icon_size=20,
text =
'<big>' .. resp.weather[1].main .. ' (' .. resp.weather[1].description .. ')</big><br>' ..
'<b>Humidity:</b> ' .. resp.main.humidity .. '%<br>' ..
'<b>Temperature: </b>' .. to_celcius(resp.main.temp) .. '<br>' ..
'<b>Pressure: </b>' .. resp.main.pressure .. 'hPa<br>' ..
'<b>Clouds: </b>' .. resp.clouds.all .. '%<br>' ..
'<b>Wind: </b>' .. resp.wind.speed .. 'm/s (' .. to_direction(resp.wind.deg) .. ')',
timeout = 5, hover_timeout = 10,
width = 200
}
end)
weather_widget:connect_signal("mouse::leave", function()
naughty.destroy(notification)
end)
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